USFS · Pennsylvania

Allegheny National Forest

The Allegheny National Forest is a National Forest in Northwestern Pennsylvania, about 100 miles northeast of Pittsburgh. The forest covers 513,175 acres of land. Within the forest is Kinzua Dam, which impounds the Allegheny River to form Allegheny Reservoir. The administrative headquarters for the Allegheny National Forest is in Warren. The Allegheny National Forest has two ranger stations, one in Marienville, Forest County, and the other in Bradford, McKean County.

From Wikipedia, licensed CC BY-SA 4.0.

Official page at U.S. Forest Service ↗
DesignationNational Forest
Managed byU.S. Forest Service
StatePennsylvania
Size740,869 acres (Forest Service administrative boundary (gis_acres))
Forest Service code0919, region 09
Center point41.6526, -79.0213
Night skyAbout as dark as the ground gets (Black Marble reading 10)

Boundary map

1 outline

Boundary, simplified to about 0.005 degrees Federal campground Forest Service recreation site

The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.

Weather by month

NOAA climate normals →
Weather by month near Allegheny National Forest20°30°40°50°60°70°January: 3.82 inches of precipitation, 25.4 inches of snowFebruary: 2.83 inches of precipitation, 20.4 inches of snowMarch: 3.56 inches of precipitation, 13.4 inches of snowApril: 4.24 inches of precipitation, 2.9 inches of snowMay: 4.51 inches of precipitation, 0.1 inches of snowJune: 4.73 inches of precipitation, 0.0 inches of snowJuly: 4.62 inches of precipitation, 0.0 inches of snowAugust: 4.43 inches of precipitation, 0.0 inches of snowSeptember: 3.91 inches of precipitation, 0.0 inches of snowOctober: 4.03 inches of precipitation, 0.8 inches of snowNovember: 3.84 inches of precipitation, 8.2 inches of snowDecember: 3.99 inches of precipitation, 21.7 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 21.8°F averageFebruary: 23.0°F averageMarch: 31.2°F averageApril: 43.1°F averageMay: 53.8°F averageJune: 62.2°F averageJuly: 65.9°F averageAugust: 64.6°F averageSeptember: 58.0°F averageOctober: 47.0°F averageNovember: 36.6°F averageDecember: 27.4°F average0 in10 in20 in30 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Kane 1Nne, 11 miles from the center point at 1,750 feet, station USC00364432 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 49 inches a year. The dotted line is average snowfall, about 93 inches a year on the same inches scale.

Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.

Where to camp

Campsite Atlas →

18 federal campgrounds sit inside the boundary and 3 more are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

Show 4 more

9 more within ten miles are not listed here.

Trailheads and sites

Forest Service directory · 33

The Forest Service lists 33 recreation sites in this forest, among them 15 campgrounds, 4 boat launchs, 3 paddling accesss, 2 viewing Wildlifes. Each links to its page on fs.usda.gov, which carries the season, fees and current status.

Show all 33

Distance is from the center point of the boundary, not from a road or town.

The Forest Service trail layer records 215 named trails in this forest, 860 miles in all. The 10 longest are listed here.

TrailMiles
Allegheny Snowmobile Loop115.3
North Country National Scenic95.6
Asl #1A New York45.1
Penoke Bike22.2
Twin Lakes Hiking16.5
Asl #21 German Hill13.9
Snow Timberline A13.9
Timberline ATV a Loop13.9
Asl #9 Abraxas12.7
Asl #20 Westline12.1

Lengths and allowed uses come from the Forest Service trail layer by way of Trailhead Atlas, refreshed September 18, 2026. Trails in plain text have no page there yet.

All 215 trails in Allegheny National Forest on Trailhead Atlas ↗

Explore

Nearby on the other atlases

National Register listings within 15 miles · 44 in all · Register Atlas

Landmarks are listed first, then by distance from the boundary.

Reference

Questions people ask

How big is Allegheny National Forest?

740,869 acres.

Source: Forest Service boundary data

Who manages Allegheny National Forest?

The U.S. Forest Service.

Source: U.S. Forest Service

What state is Allegheny National Forest in?

Pennsylvania.

Source: How states are assigned

Can I camp at Allegheny National Forest?

18 federal campgrounds sit inside the boundary, including Buckaloons, Dewdrop and Farnsworth Cabin. 21 in all are within ten miles. Dispersed camping is allowed on most national forest land outside developed sites; check the forest page for closures.

Source: Where to camp

Where are the trailheads in Allegheny National Forest?

The Forest Service lists 33 recreation sites here, including 15 campground campgrounds, 4 boating - motorizeds and 3 boating - non-motorizeds. Each one links to its Forest Service page.

Source: Trailheads and sites

How do I get to Allegheny National Forest?

A point inside the boundary is at 41.653, -79.021. The official page carries directions and the office address.

Source: U.S. Forest Service

How dark is the night sky at Allegheny National Forest?

NASA’s Black Marble night-lights image reads 10 on a 0 to 255 scale at the center point, about as dark as the ground gets.

Source: NASA Black Marble

Are there historic places near Allegheny National Forest?

44 National Register listings within 15 miles, including Drake Oil Well and West Hickory Bridge.

Source: Register Atlas

Sources

  • Boundary, name, acreage and code: the Forest Service Enterprise Data Warehouse.
  • States: computed by intersecting the boundary with Census state polygons; a state is listed when it holds at least one percent of the area.
  • Description: Allegheny National Forest on Wikipedia, CC BY-SA 4.0. The article was accepted because its title contains this unit’s name.
  • Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
  • Trailheads and sites: the Forest Service Recreation Opportunities layer, matched by forest code.
  • Trails: the Trailhead Atlas open-data file of Forest Service trails, matched by forest code.
  • Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
  • Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.